Safe wheelchair convenient for climbing and downhill

The utility model relates to the technical field of nursing instruments, and discloses a safe wheelchair convenient to climb and go downhill, the wheelchair comprises a wheelchair base, wheels, a backrest, a seat cushion and leg supports and foot supports, the wheels are rotatably connected to the wheelchair base, the seat cushion is arranged on the wheelchair base, the backrest, the leg supports and the foot supports are rotatably connected with the seat cushion, and the leg supports and the foot supports are rotatably connected with the wheelchair base. The wheelchair is further provided with a lifting adjusting mechanism. The lifting adjusting mechanism comprises four electric push rods, a wheelchair frame is arranged on the upper surface of the wheelchair base, and lifting rods of the four electric push rods are rotationally connected to the wheelchair frame. Compared with the prior art, the lifting adjusting mechanism is arranged on the wheelchair, in the climbing or downhill process of the wheelchair, l